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vpSkipio.cpp
1 /****************************************************************************
2  *
3  * This file is part of the ViSP software.
4  * Copyright (C) 2005 - 2017 by Inria. All rights reserved.
5  *
6  * This software is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * ("GPL") version 2 as published by the Free Software Foundation.
9  * See the file LICENSE.txt at the root directory of this source
10  * distribution for additional information about the GNU GPL.
11  *
12  * For using ViSP with software that can not be combined with the GNU
13  * GPL, please contact Inria about acquiring a ViSP Professional
14  * Edition License.
15  *
16  * See http://visp.inria.fr for more information.
17  *
18  * This software was developed at:
19  * Inria Rennes - Bretagne Atlantique
20  * Campus Universitaire de Beaulieu
21  * 35042 Rennes Cedex
22  * France
23  *
24  * If you have questions regarding the use of this file, please contact
25  * Inria at visp@inria.fr
26  *
27  * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
28  * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
29  *
30  * Description:
31  * Le module "skipio.c" contient les procedures d'analyse
32  * syntaxique du fichier "source" qui permettent de traiter
33  * les commandes inconnues.
34  *
35  * Authors:
36  * Jean-Luc CORRE
37  *
38  *****************************************************************************/
39 
40 
41 
42 
43 
44 
45 #include <visp3/core/vpConfig.h>
46 
47 #ifndef DOXYGEN_SHOULD_SKIP_THIS
48 #include "vpMy.h"
49 #include "vpToken.h"
50 #include "vpLex.h"
51 #include "vpSkipio.h"
52 #include <stdio.h>
53 
54 /*
55  * La procedure "skip_cmd" saute les structures d'une commande
56  * jusqu'a reconnaitre le debut d'une nouvelle commande.
57  * Entree :
58  * f Fichier en sortie.
59  */
60 void skip_cmd (void)
61 {
62  int token;
63 
64  fprintf (stderr, "\n$ ");
65  fwrite (mytext, (size_t)mylength, 1, stderr);
66  while ((token = lexecho (stderr, '$')) != T_EOF && token != '$') {};
67  unlex ();
68 }
69 
70 /*
71  * La procedure "skip_keyword" saute les structures des articles
72  * jusqu'a reconnaitre le mot cle de jeton "token".
73  * Entree :
74  * token Jeton du mot cle a reconnaitre.
75  * err Message d'erreur si le mot cle n'est pas reconnu.
76  */
77 void skip_keyword (int token, const char *err)
78 {
79  int t;
80 
81  switch (t = lex ()) {
82  case T_IDENT : /* saute le mot cle inconnu */
83  while ((t = lex ()) != 0){
84  switch (t) {
85  case '$' : /* nouvelle commande */
86  case T_EOF : /* fin de fichier */
87  lexerr ("start", err, NULL);
88  break;
89  default :
90  if (t == token) return;
91  break;
92  }
93  }
94  break;
95  default :
96  if (t == token) return;
97  break;
98  }
99  lexerr ("start", err, NULL);
100 }
101 
102 #endif
103